(19)
(11) EP 1 497 241 A1

(12)

(43) Date of publication:
19.01.2005 Bulletin 2005/03

(21) Application number: 03725637.7

(22) Date of filing: 23.04.2003
(51) International Patent Classification (IPC)7C04B 24/26, C04B 24/12, C04B 24/28, C04B 24/32, C08F 290/06
// C04B103:32
(86) International application number:
PCT/JP2003/005141
(87) International publication number:
WO 2003/091180 (06.11.2003 Gazette 2003/45)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

(30) Priority: 25.04.2002 JP 2002124579
25.04.2002 JP 2002124580
20.05.2002 JP 2002144937
26.02.2003 JP 2003049887

(71) Applicant: Nippon Shokubai Co., Ltd.
Osaka-shi,Osaka 541-0043 (JP)

(72) Inventors:
  • YUASA, Tsutomu
    Osaka-shi, Osaka 533-0014 (JP)
  • TANAKA, Hiromichi
    Yokohama-shi, Kanagawa 230-0073 (JP)
  • SAKAMOTO, Noboru
    Takatsuki-shi, Osaka 569-0854 (JP)
  • NISHIKAWA, Tomotaka
    Takatsuki-shi, Osaka 569-0854 (JP)
  • IZUKASHI, Hiroko
    Osaka-shi, Osaka 533-0005 (JP)
  • UNO, Toru
    Yokohama-shi, Kanagawa 230-0073 (JP)
  • HIRATA, Tsuyoshi
    Kobe-shi, Hyogo 655-0004 (JP)
  • UETA, Tomiyasu
    Suita-shi, Osaka 564-0035 (JP)
  • ONDA, Yoshiyuki
    Toshima-ku, Tokyo 171-0014 (JP)

(74) Representative: Hubert, Philippe et al
Cabinet Beau de Loménie158, rue de l'Université
75340 Paris Cédex 07
75340 Paris Cédex 07 (FR)

   


(54) CEMENT ADMIXTURE AND PRODUCTION METHOD THEREOF